Answer Posted / krunal
WTI is Winding temperature indicator working principle of
the WTI is as same as the conservator tank busholz relay.
When the winding gets heated so as the oil filled in the
main tank gets heated. Now there is this mercury switch
bellow type whic pushes the pointer in the direction as
heat increases. which in turn cause the pointer deflection.
this is how the WTI indicator works.
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